The correct answer is [A] Oestrogen.Oestrogen is the female sex hormone secreted by ovaries. It regulates the menstrual cycle and prepares the uterus for pregnancy. Lack of oestrogen causes irregularity, so doctors prescribe hormonal tablets to balance it. class 10 ...
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The correct answer is [A] Fore brain.The forebrain is the thinking part of the brain. It controls reasoning, intelligence, memory, emotions, and voluntary actions, making it responsible for higher cognitive functions in human beings. class 10 science sample paper 2026 CBSE ...
A half turn equals two right angles. Each right angle is a quarter turn, so two quarters make a half. For example, when the clock’s minute hand moves from 12 to 6, it makes two right angles. Answer: (b) 2. Class ...
The opposite of clockwise is anti-clockwise. Clockwise follows the direction of a clock’s hands, while anti-clockwise moves in the reverse. Examples of anti-clockwise movement are unscrewing a bottle cap or loosening a nut. Answer: (b) Anti-clockwise. Class 5 Mathematics Maths-Mela Angles ...
Answer: (D) 1 × 10⁻³ N. The force of attraction between the unlike magnetic poles is 1×10⁻³ N. This is calculated using the formula involving permeability of free space, magnetic pole strengths and distance.